Intel Corporation

Sameer Kalathil Perazhi

Paul S Diefenbaugh

Jason Daniel Tanner

Srikanth Kambhatla

Michael N Derr

Arthur Jeremy Runyan

Prashant D Chaudhari

Fong-Shek Lam

Santosh K Agrawal

Rama Gopal M Satyanantha

Various systems and methods for managing graphics subsystems are described herein. A system for managing graphics subsystems of a compute device includes a display controller operable to: receive an indication that a first display of the compute device has been activated; enable a power management feature in a display controller, the power management feature to reduce power consumption of the display controller and associated components, and the power management feature to reduce graphics memory bandwidth usage; receive an indication that a second display has been activated with the first display; and maintain the power management feature for at least the first display.

Video bandwidth optimization for multi-monitor systems

Techniques are described that can be used to adjust a refresh rate of a display device. For example, the refresh rate change can be triggered by a user application for a variety of circumstances such as a change in power source from AC to DC or display of 24 frames per second (fps) video. Contents of a primary buffer can be copied to a dummy buffer and a display engine can read video from the dummy buffer to provide video to a display. The clock rate of a clock used to read out pixels can be adjusted using software commands. Video is written to another buffer and during a vertical blanking interval, the display engine reads frames from the another buffer instead of the dummy buffer.

Techniques for selectively changing display refresh rate

Growing community of inventors

Bengaluru, India

Sameer Kalathil Perazhi